2 // ========================LICENSE_START=================================
5 // Copyright (C) 2021: Nordix Foundation
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
18 // ========================LICENSE_END===================================
29 log "github.com/sirupsen/logrus"
30 "oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
31 "oransc.org/nonrtric/dmaapmediatorproducer/internal/jobs"
32 "oransc.org/nonrtric/dmaapmediatorproducer/internal/kafkaclient"
33 "oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient"
34 "oransc.org/nonrtric/dmaapmediatorproducer/internal/server"
37 var configuration *config.Config
41 configuration = config.New()
45 log.SetLevel(configuration.LogLevel)
46 log.Debug("Initializing DMaaP Mediator Producer")
47 log.Debug("Using configuration: ", configuration)
48 if err := validateConfiguration(configuration); err != nil {
49 log.Fatalf("Stopping producer due to error: %v", err)
51 callbackAddress := fmt.Sprintf("%v:%v", configuration.InfoProducerHost, configuration.InfoProducerPort)
53 var cert tls.Certificate
54 if c, err := restclient.CreateClientCertificate(configuration.ProducerCertPath, configuration.ProducerKeyPath); err == nil {
57 log.Fatalf("Stopping producer due to error: %v", err)
60 retryClient := restclient.CreateRetryClient(cert)
61 kafkaFactory := kafkaclient.KafkaFactoryImpl{BootstrapServer: configuration.KafkaBootstrapServers}
62 distributionClient := restclient.CreateClientWithoutRetry(cert, 10*time.Second)
64 jobsManager := jobs.NewJobsManagerImpl(retryClient, configuration.DMaaPMRAddress, kafkaFactory, distributionClient)
65 go startCallbackServer(jobsManager, callbackAddress)
67 if err := registerTypesAndProducer(jobsManager, configuration.InfoCoordinatorAddress, callbackAddress, retryClient); err != nil {
68 log.Fatalf("Stopping producer due to: %v", err)
71 jobsManager.StartJobsForAllTypes()
73 log.Debug("Starting DMaaP Mediator Producer")
78 func validateConfiguration(configuration *config.Config) error {
79 if configuration.InfoProducerHost == "" {
80 return fmt.Errorf("missing INFO_PRODUCER_HOST")
82 if configuration.ProducerCertPath == "" || configuration.ProducerKeyPath == "" {
83 return fmt.Errorf("missing PRODUCER_CERT and/or PRODUCER_KEY")
85 if configuration.DMaaPMRAddress == "" && configuration.KafkaBootstrapServers == "" {
86 return fmt.Errorf("at least one of DMAAP_MR_ADDR or KAFKA_BOOTSRAP_SERVERS must be provided")
90 func registerTypesAndProducer(jobTypesHandler jobs.JobTypesManager, infoCoordinatorAddress string, callbackAddress string, client restclient.HTTPClient) error {
91 registrator := config.NewRegistratorImpl(infoCoordinatorAddress, client)
92 configTypes, err := config.GetJobTypesFromConfiguration("configs")
94 return fmt.Errorf("unable to register all types due to: %v", err)
96 regErr := registrator.RegisterTypes(jobTypesHandler.LoadTypesFromConfiguration(configTypes))
98 return fmt.Errorf("unable to register all types due to: %v", regErr)
101 producer := config.ProducerRegistrationInfo{
102 InfoProducerSupervisionCallbackUrl: callbackAddress + server.HealthCheckPath,
103 SupportedInfoTypes: jobTypesHandler.GetSupportedTypes(),
104 InfoJobCallbackUrl: callbackAddress + server.AddJobPath,
106 if err := registrator.RegisterProducer("DMaaP_Mediator_Producer", &producer); err != nil {
107 return fmt.Errorf("unable to register producer due to: %v", err)
112 func startCallbackServer(jobsManager jobs.JobsManager, callbackAddress string) {
113 log.Debugf("Starting callback server at port %v", configuration.InfoProducerPort)
114 r := server.NewRouter(jobsManager, statusHandler)
115 if restclient.IsUrlSecure(callbackAddress) {
116 log.Fatalf("Server stopped: %v", http.ListenAndServeTLS(fmt.Sprintf(":%v", configuration.InfoProducerPort), configuration.ProducerCertPath, configuration.ProducerKeyPath, r))
118 log.Fatalf("Server stopped: %v", http.ListenAndServe(fmt.Sprintf(":%v", configuration.InfoProducerPort), r))
122 func statusHandler(w http.ResponseWriter, r *http.Request) {
123 registeredStatus := "not registered"
125 registeredStatus = "registered"
127 fmt.Fprintf(w, `{"status": "%v"}`, registeredStatus)
130 func keepProducerAlive() {
131 forever := make(chan int)